Accepting patients
Who is Dr. Len, Pediatric Gastroenterologist in Seattle, WA?
Dr. Mary Len is a Pediatric Gastroenterologist, who primarily practices in Seattle, WA with 2 additional practice locations. She is board certified. Dr. Len completed her residency at Pediatrics, UCLA Medical Center, Los Angeles. Dr. Len is fluent in English and Spanish, and is currently seeing new patients. Dr. Len’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Len’s office at (206) 987-2000.
What are Areas of Expertise for Dr. Len?
Dr. Mary Len is a highly-rated, board-certified Pediatric Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Len empowers patients to confidently navigate their health journey, specializing in Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Seattle/WA community, Dr. Len is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Len go to medical school and complete their residency?
Residency: Pediatrics, UCLA Medical Center, Los Angeles
What languages does Dr. Len speak?
Dr. Len and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Len treat?
As a Pediatric Gastroenterologist, Dr. Len diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Len. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Abdominal Pain
- Widespread Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
- General stomach pain
- Overall belly pain
- Diffuse abdominal pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
- R1084: Generalized abdominal pain
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
- K5909: Other constipation
Also known as:
- Vomiting
- Cyclic Vomiting Syndrome
- Nausea and Vomiting
- Throwing up
- Emesis
- Puking
- CVS
- Recurrent vomiting
- Periodic vomiting
ICD-10 Codes:
- R1110: Vomiting, unspecified
- R1115: Cyclical vomiting syndrome unrelated to migraine
Also known as:
- Feeding Difficulties
- Other Feeding Difficulties
- Eating Problems
- Swallowing Problems
- Unspecified Feeding Issues
- Atypical Feeding Problems
- Unusual Eating Issues
- Specific Feeding Challenges
ICD-10 Codes:
- R6330: Feeding difficulties, unspecified
- R6339: Other feeding difficulties
Also known as:
- Other Difficulty Swallowing
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
- Painful swallowing
ICD-10 Codes:
- R1319: Other dysphagia
- R1310: Dysphagia, unspecified
Also known as:
- Failure to Thrive in Children
- Growth Disorder
- Poor growth in children
- Childhood growth problems
- Infant growth failure
ICD-10 Codes:
- R6251: Failure to thrive (child)
Also known as:
- Eosinophilic Esophagitis
- EoE
- Allergic Esophagitis
- Eosinophilic Inflammation of Esophagus
ICD-10 Codes:
- K200: Eosinophilic esophagitis
Also known as:
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Terminal Ileitis
ICD-10 Codes:
- K5090: Crohn's disease, unspecified, without complications
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
Also known as:
- Non-Infectious Gastroenteritis and Colitis
- Digestive Disease
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Complete Bowel Incontinence
- Bowel Incontinence
- Full fecal incontinence
- Total loss of bowel control
- Severe accidental bowel leakage
ICD-10 Codes:
- R159: Full incontinence of feces
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Unexplained Weight Loss
- Involuntary Weight Loss
- Significant Weight Loss
- Unintentional Weight Loss
ICD-10 Codes:
- R634: Abnormal weight loss
Which procedures does Dr. Len perform as a Pediatric Gastroenterologist?
As a Pediatric Gastroenterologist, procedures performed by a Dr. Mary Len may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Len's office.
Does Dr. Len accept my insurance?
Dr. Len accepts most major insurance plans. Important: Please call our office at (206) 987-2000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Len accept in Seattle, WA?
Dr. Len in Seattle, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cambia (Regence)
Community Health Plan of Washington
CVS Health (formerly Aetna)
Department of Defense / Tricare
Elevance Health Inc. (formerly Anthem)
Kaiser Permanente
Molina
Premera Blue Cross
State of Washington
UnitedHealthcare
View All Insurances
Where is Dr. Len's office located?
What is Dr. Len's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Len's National Provider Identifier (NPI) number is 1538240882.
What common questions do patients ask about Dr. Len?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Len
What is Dr. Mary Len's specialty?
Dr. Len is a Pediatric Gastroenterologist near Seattle, WA. A pediatrician specializing in diagnosing and treating digestive system diseases in infants, children, and adolescents. This expert manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice and is skilled in performing complex diagnostic and therapeutic procedures using endoscopic techniques to visualize internal organs. Contact Dr. Len to book an appointment today.
Is this Dr. Mary Len affiliated with a ranked Castle Connolly Top Hospital?
No, Len is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Seattle Children's Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Pediatric Gastroenterologist?
Explore Pediatric Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mary Len accepting new patients in Seattle, WA?
Yes, Dr. Mary Len is accepting new patients at this time.
Does Dr. Mary Len offer online booking?
Please contact Dr. Len's office at (206) 987-2000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mary Len?
Please contact Dr. Len's office at (206) 987-2000 for information regarding telehealth appointment availability or for scheduling assistance.
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